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Finding the Fourth Proportional to 73,972.70, 110,956.62 and 29,587.54

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Solution

The fourth proportional to 73,972.70, 110,956.62 and 29,587.54 is: 44,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,972.70 : 110,956.62 = 29,587.54 : x
  2. Step 2: Convert to fraction form
    73,972.70/110,956.62 = 29,587.54/x
  3. Step 3: Cross multiply
    73,972.70x = 110,956.62 × 29,587.54
  4. Step 4: Simplify right side
    73,972.70x = 3,282,933,432.51
  5. Step 5: Solve for x
    x = 3,282,933,432.51/73,972.70
  6. Step 6: Final answer
    x = 44,380.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.